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Displaying 21 –
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In this paper we are interested in bilateral obstacle problems for quasilinear scalar conservation laws associated with Dirichlet boundary conditions. Firstly, we provide a suitable entropy formulation which ensures uniqueness. Then, we justify the existence of a solution through the method of penalization and by referring to the notion of entropy process solution due to specific properties of bounded sequences in . Lastly, we study the behaviour of this solution and its stability properties with...
In this paper we are interested in bilateral obstacle problems for quasilinear scalar conservation laws associated with Dirichlet
boundary conditions. Firstly, we provide a suitable entropy formulation which ensures uniqueness. Then, we justify the existence
of a solution through the method of penalization and by referring to the notion of entropy process solution due to specific
properties of bounded sequences in L∞. Lastly, we study the behaviour of this solution and its stability properties...
This work is devoted to the study of a two-dimensional vector
Poisson equation with the normal component of the unknown and
the value of the divergence of the unknown prescribed simultaneously
on the entire boundary.
These two scalar boundary conditions appear prima facie
alternative in a standard variational framework. An original
variational formulation of this boundary value problem
is proposed here. Furthermore, an uncoupled solution algorithm is
introduced together with its finite element...
A Bernoulli free boundary problem with geometrical constraints is studied. The domain Ω is constrained to lie in the half space determined by x1 ≥ 0 and its boundary to contain a segment of the hyperplane {x1 = 0} where non-homogeneous Dirichlet conditions are imposed. We are then looking for the solution of a partial differential equation satisfying a Dirichlet and a Neumann boundary condition simultaneously on the free boundary. The existence and uniqueness of a solution have already been addressed...
A Bernoulli free boundary problem with geometrical constraints is studied. The domain Ω is constrained to lie in the half space determined by x1 ≥ 0 and its boundary to contain a segment of the hyperplane {x1 = 0} where non-homogeneous Dirichlet conditions are imposed. We are then looking for the solution of a partial differential equation satisfying a Dirichlet and a Neumann boundary condition simultaneously on the free boundary. The existence and uniqueness of a solution have already been addressed...
We consider a phase field system based on the Maxwell Cattaneo heat conduction law, with a logarithmic nonlinearity, associated with Dirichlet boundary conditions. In particular, we prove, in one and two space dimensions, the existence of a solution which is strictly separated from the singularities of the nonlinear term and that the problem possesses a finite-dimensional global attractor in terms of exponential attractors.
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